Add background color to the code flow table.
Add background color to the code flow table.

kschecht/sarif-sdk,kschecht/sarif-sdk,Rolstenhouse/sarif-sdk,kschecht/sarif-sdk,Rolstenhouse/sarif-sdk,Rolstenhouse/sarif-sdk,kschecht/sarif-sdk,Rolstenhouse/sarif-sdk,Rolstenhouse/sarif-sdk,kschecht/sarif-sdk,Rolstenhouse/sarif-sdk,kschecht/sarif-sdk,kschecht/sarif-sdk,Rolstenhouse/sarif-sdk